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Steel I-beam vs Rectangular Tube for load bearing span
From: bhoy@vertuit.com
Category: Structural
Remote Name: 209.71.57.80
Date: 19 Dec 2001
Time: 07:30 AM
Comments
I am removing a load bearing wall in my kitchen. The span is approx 24 ft. I am removing the 20 studs (some double for doorway headers) that are presently used to support the second floor. The ceiling is 3/4 plaster and ceiling joices are 2x8. The room is split right now 12/24 and will become 24x24. There is plywood/pading/carpet on the sencond floor but no other walls to support. All roof load is transferred to outer walls. The house is built like a Cap Cod so it is not a true second story. The ends of the beam will be supported by steel columns that go through the floor and rest on a 8" I-beam in the basement (through bolt-secured to beam and to basement I-beam). I used the LL as 40 plus 15 for the DL (taken from other posts). The ceiling rafters will rest on the beam and I would rather that the beam not protrude to much. When I run the demo it only lets me use 16 ft at max length. What are my options for the 2 types of I-beams and the square tube beams for this application? How about if I bump the DL to 25 (for light storage or addition of a partition wall on the second floor).
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